You are buying a brand new 2540-00-490-0769 Wheel Chock. Used with M1000 CHETTL Semi Trailer. US Army p/n CPR101269. If you’re looking for a heavy duty chock, you’re in the right place! would work great with commercial trucks, motorcoaches, even passenger cars. Original invoice on these is $46.47 each, Get it here and save some cash! We ship FAST !!! 15287 R5C3 + T3RA?